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Mouth

Author: Stuart Reges (on 2014/02/13)

Assuming that the following classes have been defined: 

        public class Eye extends Mouth {
            public void method1() {
            System.out.println("Eye 1");
        super.method1();
            }
        }

        public class Mouth {
            public void method1() {
            System.out.println("Mouth 1");
            }

            public void method2() {
            System.out.println("Mouth 2");
        method1();
            }
        }

        public class Nose extends Eye {
            public void method1() {
            System.out.println("Nose 1");
            }

            public void method3() {
            System.out.println("Nose 3");
            }
        }

        public class Ear extends Eye {
            public void method2() {
            System.out.println("Ear 2");
            }

            public void method3() {
            System.out.println("Ear 3");
            }
        }

And assuming the following variables have been defined: 

    Mouth var1 = new Nose();
    Ear var2 = new Ear();
    Mouth var3 = new Eye();
    Object var4 = new Mouth();
    Eye var5 = new Nose();
    Mouth var6 = new Ear();

In the table below, indicate in the right-hand column the output produced by the statement in the left-hand column. If the statement produces more than one line of output, indicate the line breaks with slashes as in "a/b/c" to indicate three lines of output with "a" followed by "b" followed by "c". If the statement causes an error, fill in the right-hand column with either the phrase "compiler error" or "runtime error" to indicate when the error would be detected.

var1.method1();
var2.method1();
var3.method1();
var1.method2();
var2.method2();
var3.method2();
var4.method2();
var5.method2();
var6.method2();
var1.method3();
var2.method3();
var3.method3();
((Nose)var5).method3();
((Eye)var1).method1();
((Eye)var4).method1();
((Nose)var1).method3();
((Mouth)var4).method1();
((Ear)var5).method3();
((Eye)var6).method3();
((Mouth)var4).method2();

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